1 files changed, 17 insertions, 2 deletions
diff --git a/config.h b/config.h
index 45cec00..59ab874 100644
--- a/config.h
+++ b/config.h
@@ -7,9 +7,24 @@
  * For vowels:
  *   i, o excluded due to potentially confusing 1/l/i + 0/o
  *   y included as a vowel because it kinda is one
+ * The real vowels are a separate class, 'x' just in case
  */
+#define ALPHABET "abcdefghijklmnopqrstuvwxyz"
+#define NUMBERS "1234567890"
+#define SYMBOLS "@#$%^&*_-+=()[]{}"
 #define CLASSES \
     CLASS('v', "aeuy") \
     CLASS('c', "bcdfghkmnprstvwxz") \
-    CLASS('#', "1234567890") \
-    CLASS('!', "@#$%^&*_-+=()[]{}")
+    CLASS('#', NUMBERS) \
+    CLASS('!', SYMBOLS) \
+    CLASS('l', ALPHABET) \
+    CLASS('a', ALPHABET NUMBERS) \
+    CLASS('b', ALPHABET NUMBERS SYMBOLS) \
+    CLASS('x', "aeiou")
+
+/*
+ * Rationale for the combinations:
+ *   l => 'letters'
+ *   a => 'alphanumeric'
+ *   b => 'all', but 'a' already taken so 'b'
+ */